78942500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:391

約数の個数: 120

約数和(自身を含む): 213081792

約数和(自身を除く): 134139292

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 125, 130, 140, 175, 182, 250, 260, 325, 347, 350, 364, 455, 500, 625, 650, 694, 700, 875, 910, 1250, 1300, 1388, 1625, 1735, 1750, 1820, 2275, 2429, 2500, 3250, 3470, 3500, 4375, 4511, 4550, 4858, 6500, 6940, 8125, 8675, 8750, 9022, 9100, 9716, 11375, 12145, 16250, 17350, 17500, 18044, 22555, 22750, 24290, 31577, 32500, 34700, 43375, 45110, 45500, 48580, 56875, 60725, 63154, 86750, 90220, 112775, 113750, 121450, 126308, 157885, 173500, 216875, 225550, 227500, 242900, 303625, 315770, 433750, 451100, 563875, 607250, 631540, 789425, 867500, 1127750, 1214500, 1518125, 1578850, 2255500, 2819375, 3036250, 3157700, 3947125, 5638750, 6072500, 7894250, 11277500, 15788500, 19735625, 39471250, 78942500]

約数ペア:

[(1, 78942500), (2, 39471250), (4, 19735625), (5, 15788500), (7, 11277500), (10, 7894250), (13, 6072500), (14, 5638750), (20, 3947125), (25, 3157700), (26, 3036250), (28, 2819375), (35, 2255500), (50, 1578850), (52, 1518125), (65, 1214500), (70, 1127750), (91, 867500), (100, 789425), (125, 631540), (130, 607250), (140, 563875), (175, 451100), (182, 433750), (250, 315770), (260, 303625), (325, 242900), (347, 227500), (350, 225550), (364, 216875), (455, 173500), (500, 157885), (625, 126308), (650, 121450), (694, 113750), (700, 112775), (875, 90220), (910, 86750), (1250, 63154), (1300, 60725), (1388, 56875), (1625, 48580), (1735, 45500), (1750, 45110), (1820, 43375), (2275, 34700), (2429, 32500), (2500, 31577), (3250, 24290), (3470, 22750), (3500, 22555), (4375, 18044), (4511, 17500), (4550, 17350), (4858, 16250), (6500, 12145), (6940, 11375), (8125, 9716), (8675, 9100), (8750, 9022)]